diff --git a/progress.json b/progress.json
new file mode 100644
index 000000000..fc1793423
--- /dev/null
+++ b/progress.json
@@ -0,0 +1,585 @@
+[
+  {
+    "exercise_name": "sensors-diff",
+    "started_at": 1767009330.583291,
+    "completed_at": 1767009333.712653,
+    "comments": [
+      "Answer for Which are the new values in modified but unstaged files? does not contain all of the right answers.",
+      "Answer for Which files have changed from Jan 09th to Jan 15th? does not contain all of the right answers."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-diff",
+    "started_at": 1767009373.970054,
+    "completed_at": 1767009377.12234,
+    "comments": [
+      "Answer for Which files have changed from Jan 09th to Jan 15th? does not contain all of the right answers."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-diff",
+    "started_at": 1767009410.437961,
+    "completed_at": 1767009411.948016,
+    "comments": [
+      "Great work comparing commits in git history!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "sensors-diff",
+    "started_at": 1767009585.365292,
+    "completed_at": 1767009586.728679,
+    "comments": [
+      "Great work comparing commits in git history!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "sensors-diff",
+    "started_at": 1767009643.471483,
+    "completed_at": 1767009646.374132,
+    "comments": [
+      "Answer for Which are the new values in staged files? is not right.",
+      "Answer for Which new values are new in north.csv on Jan 10th, compared to Jan 01st? is not right."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-diff",
+    "started_at": 1767009716.781984,
+    "completed_at": 1767009718.209846,
+    "comments": [
+      "Great work comparing commits in git history!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "sensors-reset",
+    "started_at": 1767010087.840216,
+    "completed_at": 1767010090.947206,
+    "comments": [
+      "It seems like the last two commits for Jan 14 and Jan 15 are still present in the commit history."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-reset",
+    "started_at": 1767010204.671495,
+    "completed_at": 1767010207.996183,
+    "comments": [
+      "It seems like the commit from Jan 13 is still present in the commit history."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-reset",
+    "started_at": 1767010273.945717,
+    "completed_at": 1767010276.976586,
+    "comments": [
+      "It seems like the commit from Jan 12 is still present in the commit history."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-reset",
+    "started_at": 1767010292.627185,
+    "completed_at": 1767010294.203271,
+    "comments": [
+      "You have reset the repository to the correct state!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "sensors-revert",
+    "started_at": 1767010342.58348,
+    "completed_at": 1767010345.926824,
+    "comments": [
+      "You have not reverted all the commits yet!"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-revert",
+    "started_at": 1767010363.163684,
+    "completed_at": 1767010366.153743,
+    "comments": [
+      "You have not reverted all the commits yet!"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "sensors-revert",
+    "started_at": 1767010434.985654,
+    "completed_at": 1767010436.724847,
+    "comments": [
+      "Good work reverting commits!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "tags-add",
+    "started_at": 1767008088.070618,
+    "completed_at": 1767008091.255417,
+    "comments": [
+      "Missing lightweight tag \"first-pilot\"."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-add",
+    "started_at": 1767008104.526888,
+    "completed_at": 1767008107.660994,
+    "comments": [
+      "\"first-pilot\" should point to the first commit."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-add",
+    "started_at": 1767008152.917,
+    "completed_at": 1767008156.39274,
+    "comments": [
+      "Missing annotated tag \"v1.0\"."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-add",
+    "started_at": 1767008167.772011,
+    "completed_at": 1767008171.079059,
+    "comments": [
+      "\"v1.0\" should point to the commit that updates March duty roster."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-add",
+    "started_at": 1767008244.1078,
+    "completed_at": 1767008245.661135,
+    "comments": [
+      "Great work using git tag to annotate various commits in the repository!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "tags-push",
+    "started_at": 1767008494.329669,
+    "completed_at": 1767008498.226384,
+    "comments": [
+      "Tag v1.0 is missing, did you push it to the remote?",
+      "Tag v2.0 is missing, did you push it to the remote?"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-push",
+    "started_at": 1767008770.79591,
+    "completed_at": 1767008774.381966,
+    "comments": [
+      "Tag v1.0 is missing, did you push it to the remote?",
+      "Tag v2.0 is missing, did you push it to the remote?"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-push",
+    "started_at": 1767008863.242146,
+    "completed_at": 1767008867.075505,
+    "comments": [
+      "Tag v1.0 is missing, did you push it to the remote?",
+      "Tag v2.0 is missing, did you push it to the remote?"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-update",
+    "started_at": 1767008345.85877,
+    "completed_at": 1767008350.3807,
+    "comments": [
+      "The 'april-update' tag is pointing to the wrong commit. It should point to the April commit."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-update",
+    "started_at": 1767008378.833312,
+    "completed_at": 1767008380.220747,
+    "comments": [
+      "Great work! You have successfully updated the tags to point to the correct commits."
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "view-commits",
+    "started_at": 1766976830.55981,
+    "completed_at": 1766976833.406901,
+    "comments": [
+      "Missing question In April, what were the new names added to the duty rosters? Give the list of names as one line, separated by spaces. in answers file."
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "view-commits",
+    "started_at": 1766977249.99693,
+    "completed_at": 1766977251.358078,
+    "comments": [
+      "Great work in viewing and understanding the diff of a specific commit!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "view-commits",
+    "started_at": 1766977305.138733,
+    "completed_at": 1766977308.150871,
+    "comments": [
+      "Invalid answers format: missing question(s) or answer(s) or both"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "tags-push",
+    "started_at": 1767241291.762643,
+    "completed_at": 1767241295.995933,
+    "comments": [
+      "Tag beta is still on the remote!"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "tags-push",
+    "started_at": 1767241349.860408,
+    "completed_at": 1767241352.481486,
+    "comments": [
+      "Wonderful! You have successfully synced the local tags with the remote tags!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "branch-previous",
+    "started_at": 1767458140.124598,
+    "completed_at": 1767458143.798026,
+    "comments": [
+      "The 'visitor-line' branch is missing."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767531677.23451,
+    "completed_at": 1767531680.058801,
+    "comments": [
+      "The init operation is not undone."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767531694.659228,
+    "completed_at": 1767531696.262834,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767531792.16163,
+    "completed_at": 1767531793.796024,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767532417.487475,
+    "completed_at": 1767532419.13573,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767533890.311603,
+    "completed_at": 1767533891.80303,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767534009.288327,
+    "completed_at": 1767534010.966381,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767534024.226885,
+    "completed_at": 1767534025.701783,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767534924.899294,
+    "completed_at": 1767534926.586795,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767535248.678927,
+    "completed_at": 1767535250.339478,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767535563.920548,
+    "completed_at": 1767535565.520279,
+    "comments": [
+      "Exercise is not a Git repository"
+    ],
+    "status": "Error"
+  },
+  {
+    "exercise_name": "undo-init",
+    "started_at": 1767540800.724125,
+    "completed_at": 1767540802.071598,
+    "comments": [
+      "You have successfully undone the init operation!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "branch-previous",
+    "started_at": 1767618474.107606,
+    "completed_at": 1767618477.226351,
+    "comments": [
+      "The 'visitor-line' branch is missing."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-previous",
+    "started_at": 1767618601.155042,
+    "completed_at": 1767618604.190595,
+    "comments": [
+      "No commits were made in the 'visitor-line' branch."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-previous",
+    "started_at": 1767618635.488593,
+    "completed_at": 1767618638.483461,
+    "comments": [
+      "The 'sleep-line' branch is missing."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-previous",
+    "started_at": 1767618681.248274,
+    "completed_at": 1767618682.82495,
+    "comments": [
+      "Excellent work! You've successfully created branches from a previous commit and explored alternative storylines!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "branch-forward",
+    "started_at": 1767619841.726739,
+    "completed_at": 1767619844.611812,
+    "comments": [
+      "Only one of the two starting branches can be fast-forward merged into 'main'. Do not create new branches."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-forward",
+    "started_at": 1767619933.914535,
+    "completed_at": 1767619936.999676,
+    "comments": [
+      "Only one of the two starting branches can be fast-forward merged into 'main'. Do not create new branches."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "conflict-mediator",
+    "started_at": 1767620844.089274,
+    "completed_at": 1767620847.113223,
+    "comments": [
+      "You still have uncommitted changes. Commit them first on the appropriate branch first!"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "conflict-mediator",
+    "started_at": 1767620912.256061,
+    "completed_at": 1767620913.74862,
+    "comments": [
+      "Great work resolving the merge conflict!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "branch-rename",
+    "started_at": 1767621006.161487,
+    "completed_at": 1767621009.167674,
+    "comments": [
+      "Branch 'login' still exists! Remember to rename it to 'feature/login'"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-rename",
+    "started_at": 1767621079.130477,
+    "completed_at": 1767621080.466137,
+    "comments": [
+      "Great work with renaming the branches on your local repository!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "branch-delete",
+    "started_at": 1767621137.139723,
+    "completed_at": 1767621140.29129,
+    "comments": [
+      "Branch 'optimization-approach-1' still exists! Remember to delete it"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-delete",
+    "started_at": 1767621200.756311,
+    "completed_at": 1767621202.099362,
+    "comments": [
+      "Great job using git branch to delete both merged and unmerged branches!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "mix-messy-graph",
+    "started_at": 1767621591.137514,
+    "completed_at": 1767621594.083774,
+    "comments": [
+      "Expected commit message of 'Add the search feature', got '<Missing commit>' instead."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "mix-messy-docs",
+    "started_at": 1767621686.977618,
+    "completed_at": 1767621689.992416,
+    "comments": [
+      "Contents of 'features.md' is not valid! Try again!"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "mix-messy-graph",
+    "started_at": 1767621706.429313,
+    "completed_at": 1767621709.739861,
+    "comments": [
+      "Expected commit message of 'Add the delete feature', got '<Missing commit>' instead."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "mix-messy-graph",
+    "started_at": 1767621765.936179,
+    "completed_at": 1767621769.203177,
+    "comments": [
+      "Branch 'feature-search' still exists.",
+      "Branch 'feature-delete' still exists."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "mix-messy-graph",
+    "started_at": 1767621805.231918,
+    "completed_at": 1767621806.768807,
+    "comments": [
+      "You have successfully completed the exercise!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "side-track",
+    "started_at": 1767622257.667627,
+    "completed_at": 1767622260.91656,
+    "comments": [
+      "You aren't currently on the main branch. Checkout to that branch and try again!"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-forward",
+    "started_at": 1767625747.650313,
+    "completed_at": 1767625749.801847,
+    "comments": [
+      "Great job fast-forward merging only 'with-sally'!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "under-control",
+    "started_at": 1767705318.285045,
+    "completed_at": 1767705319.777071,
+    "comments": [
+      "You successfully used git init to initialize this folder as a Git repository!"
+    ],
+    "status": "Completed"
+  },
+  {
+    "exercise_name": "branch-forward",
+    "started_at": 1767713293.563888,
+    "completed_at": 1767713296.931274,
+    "comments": [
+      "Only one of the two starting branches can be fast-forward merged into 'main'. Do not create new branches."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "branch-bender",
+    "started_at": 1767714483.828272,
+    "completed_at": 1767714486.842245,
+    "comments": [
+      "You cannot use fast forwarding on feature/login when merging.",
+      "Reset the repository using \"gitmastery progress reset\" and start again"
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "grocery-shopping",
+    "started_at": 1768097289.77938,
+    "completed_at": 1768097292.647966,
+    "comments": [
+      "All commits are empty."
+    ],
+    "status": "Incomplete"
+  },
+  {
+    "exercise_name": "ignoring-somethings",
+    "started_at": 1768097845.711354,
+    "completed_at": 1768097848.622537,
+    "comments": [
+      "You have not made any commits yet!"
+    ],
+    "status": "Incomplete"
+  }
+]
\ No newline at end of file